./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-lit/qw2004-1.i --full-output --witness-type violation_witness --validate ../results-verified/LOGDIR/SV-COMP24_no-data-race/qw2004-1.yml/witness.graphml --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 194c01fd Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../sv-benchmarks/c/pthread-lit/qw2004-1.i ../results-verified/LOGDIR/SV-COMP24_no-data-race/qw2004-1.yml/witness.graphml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.5-dev-194c01f-m [2024-10-29 15:21:24,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-29 15:21:24,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-29 15:21:24,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-29 15:21:24,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-29 15:21:25,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-29 15:21:25,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-29 15:21:25,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-29 15:21:25,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-29 15:21:25,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-29 15:21:25,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-29 15:21:25,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-29 15:21:25,020 INFO L153 SettingsManager]: * Use SBE=true [2024-10-29 15:21:25,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-29 15:21:25,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-29 15:21:25,020 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-29 15:21:25,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-29 15:21:25,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-29 15:21:25,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-29 15:21:25,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-29 15:21:25,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-29 15:21:25,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-29 15:21:25,024 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-29 15:21:25,025 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-29 15:21:25,025 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-29 15:21:25,025 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-29 15:21:25,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-29 15:21:25,025 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-29 15:21:25,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-29 15:21:25,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-29 15:21:25,026 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-29 15:21:25,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:25,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-29 15:21:25,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-29 15:21:25,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-29 15:21:25,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-29 15:21:25,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-29 15:21:25,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-29 15:21:25,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-29 15:21:25,027 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-29 15:21:25,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-29 15:21:25,028 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-10-29 15:21:25,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-29 15:21:25,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-29 15:21:25,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-29 15:21:25,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-29 15:21:25,239 INFO L274 PluginConnector]: CDTParser initialized [2024-10-29 15:21:25,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-lit/qw2004-1.i [2024-10-29 15:21:26,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-29 15:21:26,633 INFO L384 CDTParser]: Found 1 translation units. [2024-10-29 15:21:26,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-lit/qw2004-1.i [2024-10-29 15:21:26,651 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d72f0619/ab723cdaa10a4ea288bd8a4604b29650/FLAGa0496a497 [2024-10-29 15:21:27,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d72f0619/ab723cdaa10a4ea288bd8a4604b29650 [2024-10-29 15:21:27,010 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-29 15:21:27,011 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-29 15:21:27,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../results-verified/LOGDIR/SV-COMP24_no-data-race/qw2004-1.yml/witness.graphml [2024-10-29 15:21:27,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-29 15:21:27,069 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-29 15:21:27,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:27,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-29 15:21:27,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-29 15:21:27,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:27" (1/2) ... [2024-10-29 15:21:27,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e04fdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:27, skipping insertion in model container [2024-10-29 15:21:27,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:21:27" (1/2) ... [2024-10-29 15:21:27,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@383fd206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:21:27, skipping insertion in model container [2024-10-29 15:21:27,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:27" (2/2) ... [2024-10-29 15:21:27,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e04fdbc and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27, skipping insertion in model container [2024-10-29 15:21:27,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:27" (2/2) ... [2024-10-29 15:21:27,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-29 15:21:27,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:27,377 INFO L200 MainTranslator]: Completed pre-run [2024-10-29 15:21:27,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-29 15:21:27,462 INFO L204 MainTranslator]: Completed translation [2024-10-29 15:21:27,463 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27 WrapperNode [2024-10-29 15:21:27,463 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-29 15:21:27,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:27,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-29 15:21:27,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-29 15:21:27,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,497 INFO L138 Inliner]: procedures = 174, calls = 20, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 155 [2024-10-29 15:21:27,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-29 15:21:27,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-29 15:21:27,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-29 15:21:27,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-29 15:21:27,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-29 15:21:27,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-29 15:21:27,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-29 15:21:27,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-29 15:21:27,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (1/1) ... [2024-10-29 15:21:27,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-29 15:21:27,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-29 15:21:27,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-29 15:21:27,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-29 15:21:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2024-10-29 15:21:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2024-10-29 15:21:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-29 15:21:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-29 15:21:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-29 15:21:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-29 15:21:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-29 15:21:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-29 15:21:27,588 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-29 15:21:27,697 INFO L238 CfgBuilder]: Building ICFG [2024-10-29 15:21:27,699 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-29 15:21:27,884 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-29 15:21:27,884 INFO L287 CfgBuilder]: Performing block encoding [2024-10-29 15:21:27,940 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-29 15:21:27,941 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-29 15:21:27,941 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:27 BoogieIcfgContainer [2024-10-29 15:21:27,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-29 15:21:27,943 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-29 15:21:27,943 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-29 15:21:27,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-29 15:21:27,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 03:21:27" (1/4) ... [2024-10-29 15:21:27,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd42ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 03:21:27, skipping insertion in model container [2024-10-29 15:21:27,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.witnessparser VIOLATION_WITNESS 29.10 03:21:27" (2/4) ... [2024-10-29 15:21:27,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd42ef3 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:21:27, skipping insertion in model container [2024-10-29 15:21:27,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator VIOLATION_WITNESS 29.10 03:21:27" (3/4) ... [2024-10-29 15:21:27,947 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cd42ef3 and model type witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction VIOLATION_WITNESS 29.10 03:21:27, skipping insertion in model container [2024-10-29 15:21:27,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:21:27" (4/4) ... [2024-10-29 15:21:27,948 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-1.i [2024-10-29 15:21:27,948 WARN L117 eAbstractionObserver]: Found a witness automaton. I will only consider traces that are accepted by the witness automaton [2024-10-29 15:21:27,966 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-29 15:21:27,967 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-10-29 15:21:27,967 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-29 15:21:28,007 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-29 15:21:28,018 WARN L158 CegarLoopFactory]: Violation witness validation is only supported for CEGAR loops based on FINITE_AUTOMATA. Ignoring concurrency settiong PETRI_NET and switching to FINITE_AUTOMATA. [2024-10-29 15:21:28,030 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 159 places, 162 transitions, 328 flow [2024-10-29 15:21:28,137 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3209 states, 3134 states have (on average 2.116145500957243) internal successors, (6632), 3208 states have internal predecessors, (6632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,163 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-29 15:21:28,172 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2222c93e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-29 15:21:28,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-10-29 15:21:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 3209 states, 3134 states have (on average 2.116145500957243) internal successors, (6632), 3208 states have internal predecessors, (6632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-29 15:21:28,187 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:28,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:28,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-29 15:21:28,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:28,195 INFO L85 PathProgramCache]: Analyzing trace with hash -873980753, now seen corresponding path program 1 times [2024-10-29 15:21:28,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:28,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441219263] [2024-10-29 15:21:28,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:28,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:28,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:28,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441219263] [2024-10-29 15:21:28,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441219263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:28,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:28,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:28,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084448286] [2024-10-29 15:21:28,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:28,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:28,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:28,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:28,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:28,409 INFO L87 Difference]: Start difference. First operand has 3209 states, 3134 states have (on average 2.116145500957243) internal successors, (6632), 3208 states have internal predecessors, (6632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:28,544 INFO L93 Difference]: Finished difference Result 4864 states and 10246 transitions. [2024-10-29 15:21:28,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:28,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-10-29 15:21:28,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:28,586 INFO L225 Difference]: With dead ends: 4864 [2024-10-29 15:21:28,587 INFO L226 Difference]: Without dead ends: 2620 [2024-10-29 15:21:28,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:28,600 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:28,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 275 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:21:28,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2620 states. [2024-10-29 15:21:28,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2620 to 2620. [2024-10-29 15:21:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 2597 states have (on average 2.035040431266846) internal successors, (5285), 2619 states have internal predecessors, (5285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 5285 transitions. [2024-10-29 15:21:28,731 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 5285 transitions. Word has length 17 [2024-10-29 15:21:28,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:28,732 INFO L471 AbstractCegarLoop]: Abstraction has 2620 states and 5285 transitions. [2024-10-29 15:21:28,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 5285 transitions. [2024-10-29 15:21:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-29 15:21:28,733 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:28,733 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:28,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-29 15:21:28,734 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-29 15:21:28,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:28,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1882237287, now seen corresponding path program 1 times [2024-10-29 15:21:28,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:28,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986562685] [2024-10-29 15:21:28,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:28,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:28,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:28,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986562685] [2024-10-29 15:21:28,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986562685] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:28,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:28,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:28,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213027241] [2024-10-29 15:21:28,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:28,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:28,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:28,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:28,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:28,806 INFO L87 Difference]: Start difference. First operand 2620 states and 5285 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:28,848 INFO L93 Difference]: Finished difference Result 2620 states and 5285 transitions. [2024-10-29 15:21:28,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:28,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-29 15:21:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:28,862 INFO L225 Difference]: With dead ends: 2620 [2024-10-29 15:21:28,862 INFO L226 Difference]: Without dead ends: 2619 [2024-10-29 15:21:28,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:28,865 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 1 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:28,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 270 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:21:28,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2024-10-29 15:21:28,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 2619. [2024-10-29 15:21:28,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 2597 states have (on average 2.0346553715825952) internal successors, (5284), 2618 states have internal predecessors, (5284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 5284 transitions. [2024-10-29 15:21:28,911 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 5284 transitions. Word has length 22 [2024-10-29 15:21:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:28,912 INFO L471 AbstractCegarLoop]: Abstraction has 2619 states and 5284 transitions. [2024-10-29 15:21:28,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 5284 transitions. [2024-10-29 15:21:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-29 15:21:28,913 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:28,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:28,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-29 15:21:28,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-29 15:21:28,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:28,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1488653438, now seen corresponding path program 1 times [2024-10-29 15:21:28,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:28,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65959703] [2024-10-29 15:21:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:28,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:28,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65959703] [2024-10-29 15:21:28,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65959703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:28,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:28,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:28,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434954529] [2024-10-29 15:21:28,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:28,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:28,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:28,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:28,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:28,963 INFO L87 Difference]: Start difference. First operand 2619 states and 5284 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:29,002 INFO L93 Difference]: Finished difference Result 2619 states and 5284 transitions. [2024-10-29 15:21:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:29,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-10-29 15:21:29,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:29,018 INFO L225 Difference]: With dead ends: 2619 [2024-10-29 15:21:29,018 INFO L226 Difference]: Without dead ends: 2618 [2024-10-29 15:21:29,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:29,021 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:29,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 262 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:21:29,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2618 states. [2024-10-29 15:21:29,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2618 to 2618. [2024-10-29 15:21:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2618 states, 2597 states have (on average 2.0342703118983443) internal successors, (5283), 2617 states have internal predecessors, (5283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2618 states and 5283 transitions. [2024-10-29 15:21:29,174 INFO L78 Accepts]: Start accepts. Automaton has 2618 states and 5283 transitions. Word has length 27 [2024-10-29 15:21:29,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:29,179 INFO L471 AbstractCegarLoop]: Abstraction has 2618 states and 5283 transitions. [2024-10-29 15:21:29,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 5283 transitions. [2024-10-29 15:21:29,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-29 15:21:29,180 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:29,181 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:29,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-29 15:21:29,181 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-29 15:21:29,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:29,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1269944704, now seen corresponding path program 1 times [2024-10-29 15:21:29,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:29,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606107530] [2024-10-29 15:21:29,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:29,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:29,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:29,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606107530] [2024-10-29 15:21:29,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606107530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:29,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:29,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:29,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921163226] [2024-10-29 15:21:29,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:29,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:29,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:29,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:29,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:29,230 INFO L87 Difference]: Start difference. First operand 2618 states and 5283 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:29,262 INFO L93 Difference]: Finished difference Result 2618 states and 5283 transitions. [2024-10-29 15:21:29,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:29,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-10-29 15:21:29,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:29,274 INFO L225 Difference]: With dead ends: 2618 [2024-10-29 15:21:29,274 INFO L226 Difference]: Without dead ends: 2617 [2024-10-29 15:21:29,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:29,276 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:29,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 263 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:21:29,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2024-10-29 15:21:29,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2617. [2024-10-29 15:21:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2597 states have (on average 2.0338852522140933) internal successors, (5282), 2616 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 5282 transitions. [2024-10-29 15:21:29,331 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 5282 transitions. Word has length 32 [2024-10-29 15:21:29,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:29,331 INFO L471 AbstractCegarLoop]: Abstraction has 2617 states and 5282 transitions. [2024-10-29 15:21:29,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 5282 transitions. [2024-10-29 15:21:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-29 15:21:29,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:29,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:29,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-29 15:21:29,332 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-29 15:21:29,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:29,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1219100088, now seen corresponding path program 1 times [2024-10-29 15:21:29,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:29,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315897538] [2024-10-29 15:21:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:29,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-29 15:21:29,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-29 15:21:29,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-29 15:21:29,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315897538] [2024-10-29 15:21:29,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315897538] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-29 15:21:29,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-29 15:21:29,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-29 15:21:29,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045408420] [2024-10-29 15:21:29,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-29 15:21:29,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-29 15:21:29,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-29 15:21:29,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-29 15:21:29,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:29,384 INFO L87 Difference]: Start difference. First operand 2617 states and 5282 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-29 15:21:29,417 INFO L93 Difference]: Finished difference Result 2764 states and 5579 transitions. [2024-10-29 15:21:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-29 15:21:29,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-10-29 15:21:29,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-29 15:21:29,428 INFO L225 Difference]: With dead ends: 2764 [2024-10-29 15:21:29,428 INFO L226 Difference]: Without dead ends: 2705 [2024-10-29 15:21:29,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-29 15:21:29,429 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 60 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-29 15:21:29,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 326 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-29 15:21:29,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2024-10-29 15:21:29,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2656. [2024-10-29 15:21:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 2636 states have (on average 2.0333839150227617) internal successors, (5360), 2655 states have internal predecessors, (5360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 5360 transitions. [2024-10-29 15:21:29,476 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 5360 transitions. Word has length 42 [2024-10-29 15:21:29,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-29 15:21:29,478 INFO L471 AbstractCegarLoop]: Abstraction has 2656 states and 5360 transitions. [2024-10-29 15:21:29,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-29 15:21:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 5360 transitions. [2024-10-29 15:21:29,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-29 15:21:29,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-29 15:21:29,480 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-29 15:21:29,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-29 15:21:29,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-10-29 15:21:29,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-29 15:21:29,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1090417474, now seen corresponding path program 1 times [2024-10-29 15:21:29,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-29 15:21:29,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697652588] [2024-10-29 15:21:29,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-29 15:21:29,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-29 15:21:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:21:29,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-29 15:21:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-29 15:21:29,519 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-29 15:21:29,519 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-29 15:21:29,520 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-10-29 15:21:29,534 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-10-29 15:21:29,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-10-29 15:21:29,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-10-29 15:21:29,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-10-29 15:21:29,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-10-29 15:21:29,535 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-10-29 15:21:29,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-10-29 15:21:29,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-10-29 15:21:29,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-10-29 15:21:29,537 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-10-29 15:21:29,538 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 27 remaining) [2024-10-29 15:21:29,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-10-29 15:21:29,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-10-29 15:21:29,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-10-29 15:21:29,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-10-29 15:21:29,539 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-10-29 15:21:29,540 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-10-29 15:21:29,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-29 15:21:29,543 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-29 15:21:29,578 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-29 15:21:29,578 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-29 15:21:29,581 INFO L201 PluginConnector]: Adding new model witness.graphml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 03:21:29 BasicIcfg [2024-10-29 15:21:29,581 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-29 15:21:29,582 INFO L158 Benchmark]: Toolchain (without parser) took 2512.64ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 92.8MB in the beginning and 173.1MB in the end (delta: -80.3MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2024-10-29 15:21:29,582 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:21:29,582 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-29 15:21:29,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.94ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 130.4MB in the end (delta: -37.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-10-29 15:21:29,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.71ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:21:29,583 INFO L158 Benchmark]: Boogie Preprocessor took 22.10ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 127.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-29 15:21:29,583 INFO L158 Benchmark]: RCFGBuilder took 420.13ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 104.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-29 15:21:29,583 INFO L158 Benchmark]: TraceAbstraction took 1638.49ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 103.1MB in the beginning and 173.1MB in the end (delta: -70.0MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2024-10-29 15:21:29,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.94ms. Allocated memory is still 167.8MB. Free memory was 92.5MB in the beginning and 130.4MB in the end (delta: -37.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.71ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 128.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.10ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 127.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.13ms. Allocated memory is still 167.8MB. Free memory was 127.2MB in the beginning and 104.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1638.49ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 103.1MB in the beginning and 173.1MB in the end (delta: -70.0MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 736]: Data race detected Data race detected The following path leads to a data race: [L697] 0 volatile int stoppingFlag; VAL [stoppingFlag=0] [L698] 0 volatile int pendingIo; VAL [pendingIo=0, stoppingFlag=0] [L699] 0 volatile int stoppingEvent; VAL [pendingIo=0, stoppingEvent=0, stoppingFlag=0] [L700] 0 volatile int stopped; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L743] 0 pthread_t t; VAL [pendingIo=0, stopped=0, stoppingEvent=0, stoppingFlag=0] [L744] 0 pendingIo = 1 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L745] 0 stoppingFlag = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L746] 0 stoppingEvent = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L747] 0 stopped = 0 VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0] [L748] FCALL, FORK 0 pthread_create(&t, 0, BCSP_PnpStop, 0) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=0, t=-1] [L736] 1 stoppingFlag = 1 VAL [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L749] CALL 0 BCSP_PnpAdd(0) [L727] 0 int status; [L728] CALL 0 BCSP_IoIncrement() [L703] 0 \read(stoppingFlag) [L703] 0 \read(stoppingFlag) [L703] COND TRUE 0 \read(stoppingFlag) VAL [pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] [L736] 1 stoppingFlag = 1 VAL [\old(arg)={0:0}, arg={0:0}, pendingIo=1, stopped=0, stoppingEvent=0, stoppingFlag=1] Now there is a data race on ~stoppingFlag~0 between C: if (stoppingFlag) { __VERIFIER_atomic_end(); return -1; } else { pendingIo = pendingIo + 1; } [703-708] and C: stoppingFlag = 1 [736] - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 746]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 747]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 730]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 205 locations, 27 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 1396 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 647 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 749 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3209occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 49 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-29 15:21:29,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE